Andi Kleen wrote:
> On Tuesday 17 July 2007 18:47:56 Jeremy Fitzhardinge wrote:
>
>> John Blackwood wrote:
>>
>>> I was doing some tests that attempt to read the VDSO area of a
>>> task through either the /proc/pid/mem or ptrace(PTRACE_PEEKTEXT,
>>> ...) interfaces, and it seems that when the CONFIG_COMPAT_VDSO kernel
>>> parameter is enabled, we can no longer successfully read the VDSO area
>>> on i386 kernels.
>>>
>> Thanks. Someone else noticed this recently, and posted a near-identical
>> patch. But I can't seem to find it right now...
>>
>> Andrew, Andi: do you remember something like this passing by?
>>
>
> Yes it was from Jan Beulich.
>
Ah, yes. For some reason I can't find it in my archives. Do you have
it queued up?
J
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